火力与指挥控制2013，Vol.38Issue(6)：128-132,5.
基于循环平稳的卫星信道多普勒频移估计
Cyclostationarity-Based Doppler Shift Estimation in Mobile Satellite Channels
陈鹏 1邱乐德 2王宇1
作者信息
- 1. 中国空间技术研究院西安分院,西安710100
- 2. 中国空间技术研究院,北京100094
- 折叠
摘要
Abstract
Based on the inherent cyclostationarity of linear modulated signals,the Doppler shift estimation of satellite channel could be derived from cyclic correlations of transmitted and received signals.In which the former cyclic correlation could be attained by use of cyclic spectrum function and the latter could be gained from received signals and their finite difference.Simulation results show its nonsensibility to additive stationary noise and interference and its better precision when Doppler shift is large.Meanwhile,the estimator is characteristic of low complexity and smart application.关键词
卫星信道/多普勒频移/盲估计/循环平稳/循环相关函数Key words
satellite channel/ doppler shift/ blind estimation/ cyclostationarity/ cyclic correlations分类
信息技术与安全科学引用本文复制引用
陈鹏,邱乐德,王宇..基于循环平稳的卫星信道多普勒频移估计[J].火力与指挥控制,2013,38(6):128-132,5.
